Techlink - Recharge Portable Charger For Apple Watch&trade; 38mm And 42mm - Black 1000mAh Built-In Battery for recharging the Apple Watch when away from mains power Premium quality travel case with protective interior Up to 3 charges of the Apple Watch before the charger needs recharging. LED indicators on the product let you know how much power is left so you know when to recharge Innovative charging and storage solution. The Recharge 1000 and travel case allow you to neatly utilise your charging cable while storing and safely charging your 38 or 42mm Apple Watch Short-circuit protection, over-charge protection, over-discharge protection, over-current protection and over-heat protection